oxen-core/src/common/perf_timer.h
2021-01-04 14:19:42 +11:00

85 lines
3.3 KiB
C++

// Copyright (c) 2016-2019, The Monero Project
// Copyright (c) 2018, The Loki Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#pragma once
#include <string>
#include <cstdio>
#include <cstdint>
#include "epee/misc_log_ex.h"
namespace tools
{
extern el::Level performance_timer_log_level;
class PerformanceTimer
{
public:
PerformanceTimer(bool paused = false);
void pause();
void resume();
void reset();
uint64_t value() const;
operator uint64_t() const { return value(); }
float milliseconds() const { return value() / 1.0e6; }
float seconds() const { return milliseconds() / 1000.f; }
protected:
uint64_t ticks;
bool started;
bool paused;
};
class LoggingPerformanceTimer: public PerformanceTimer
{
public:
LoggingPerformanceTimer(const std::string &s, const std::string &cat, uint64_t unit, el::Level l = el::Level::Info);
~LoggingPerformanceTimer();
private:
std::string name;
std::string cat;
uint64_t unit;
el::Level level;
};
void set_performance_timer_log_level(el::Level level);
#define PERF_TIMER_UNIT(name, unit) tools::LoggingPerformanceTimer pt_##name(#name, "perf." OXEN_DEFAULT_LOG_CATEGORY, unit, tools::performance_timer_log_level)
#define PERF_TIMER_UNIT_L(name, unit, l) tools::LoggingPerformanceTimer pt_##name(#name, "perf." OXEN_DEFAULT_LOG_CATEGORY, unit, l)
#define PERF_TIMER(name) PERF_TIMER_UNIT(name, 1000000)
#define PERF_TIMER_L(name, l) PERF_TIMER_UNIT_L(name, 1000000, l)
#define PERF_TIMER_START_UNIT(name, unit) std::unique_ptr<tools::LoggingPerformanceTimer> pt_##name(new tools::LoggingPerformanceTimer(#name, "perf." OXEN_DEFAULT_LOG_CATEGORY, unit, el::Level::Info))
#define PERF_TIMER_START(name) PERF_TIMER_START_UNIT(name, 1000000)
#define PERF_TIMER_STOP(name) do { pt_##name.reset(NULL); } while(0)
#define PERF_TIMER_PAUSE(name) pt_##name->pause()
#define PERF_TIMER_RESUME(name) pt_##name->resume()
}